Extended Data Table 1 Predictive coefficients a–d and constant y0 from PREs for individual bins

From: Circulation-driven variability of Atlantic anthropogenic carbon transports and uptake

Region

Water mass

Bin

a

b

c

d

y0

(x 10−6)

(x 10−6)

(x 10−9)

(x 10−8)

(x 10−3)

Surface to bottom of mixed layer

78° W to 46° W

1

1.009

−2.724

−12.080

62.337

0.175

46° W to 10° W

2

2.304

5.147

12.787

24.827

−0.171

Bottom of mixed layer to ɣn < 26.7

78° W to 70° W

3

2.624

11.795

39.434

11.059

−0.436

70° W to 46° W

9

2.251

11.477

36.820

25.075

−0.406

46° W to 30° W

15

4.245

−0.265

8.463

78.169

0.017

30° W to 10° W

21

3.342

−3.342

−64.403

4.573

0.137

26.7 < ɣn < 27.4

78° W to 70° W

4

8.198

−36.086

−5.613

1.910

1.226

70° W to 46° W

10

9.094

−40.930

−5.046

11.123

1.394

46° W to 30° W

16

9.854

−48.630

−13.785

20.383

1.670

30° W to 10° W

22

7.961

−25.158

−4.511

19.469

0.848

27.4 < ɣn < 27.65

78° W to 70° W

5

−0.527

9.269

0.427

−6.383

−0.305

70° W to 46° W

11

−1.623

32.461

−6.910

−11.214

−1.107

46° W to 30° W

17

2.193

14.796

6.004

7.694

−0.520

30° W to 10° W

23

−2.222

44.411

−16.506

3.723

−1.511

27.65 < ɣn < 27.85

78° W to 70° W

6

−9.157

104.091

−10.603

−49.165

−3.594

70° W to 46° W

12

−7.517

38.737

−11.749

−23.973

−1.292

46° W to 30° W

18

−6.154

27.031

−5.122

11.632

−0.882

30° W to 10° W

24

−9.678

84.053

−27.709

−0.336

−2.843

27.85 < ɣn & Pressure <1775 dbar

78° W to 70° W

7

21.866

−176.227

11.292

3.156

6.090

70° W to 46° W

13

5.391

−57.011

−9.694

−22.221

2.000

46° W to 30° W

19

19.227

−56.380

29.443

−14.079

1.853

30° W to 10° W

25

0.344

22.632

−16.530

4.167

−0.754

Pressure > 1775 dbar

78° W to 70° W

8

15.312

−96.938

0.899

−8.254

3.349

70° W to 46° W

14

18.645

−122.293

2.022

−10.631

4.220

46° W to 30° W

20

6.856

4.438

1.541

−1.594

−0.174

30° W to 10° W

26

8.509

−34.556

0.875

4.583

1.189

  1. According to normCanth = a×𝜃 + b×Sal + c×pres + d×lon + y0, where ‘𝜃’ is potential temperature (°C), ‘Sal’ is salinity, ‘pres’ is pressure (dbar), and ‘lon’ is longitude (°E). Results here are from ΔC* Canth outputs.
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